22119749 has 8 divisors (see below), whose sum is σ = 22770720. Its totient is φ = 21478096.

The previous prime is 22119739. The next prime is 22119791. The reversal of 22119749 is 94791122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22119749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22119719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (2846340).

Almost surely, 2^22119749 is an apocalyptic number.

It is an amenable number.

22119749 is a deficient number, since it is larger than the sum of its proper divisors (650971).

22119749 is an equidigital number, since it uses as much as digits as its factorization.

22119749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659.

The product of its digits is 9072, while the sum is 35.

The square root of 22119749 is about 4703.1637224320. The cubic root of 22119749 is about 280.7114094942.

The spelling of 22119749 in words is "twenty-two million, one hundred nineteen thousand, seven hundred forty-nine".